PSP-9 is a 9-step process used as part of a Kata-based approach to software development. The 9 steps of PSP-9 include:
1. Assess the goal: Define the intent and define assessment criteria
2. Gather requirements: Understand the customer’s needs, create specification
3. Design the solution: Select the right architecture, design components
4. Refine the design: Iteratively refine the design for improved performance
5. Implement the solution: Code, debug, and deploy the software
6. Verify the solution: Execute acceptance tests, confirm system meets requirements
7. Maintain the solution: Monitor and enhance system output over time
8. Analyze and adjust: Evaluate, analyze, and estimate risk for managing system
9. Document the solution: Collect and update system documentation
PSP-9 is an important part of the Kata methodology which emphasizes continual learning, analysis, and practice in order to improve the system development process. Kata seeks to increase the quality of software development and shorten the development time. PSP-9 helps teams create high-quality software quickly and accurately.